This topic describes the resource limits for projects, Logstores, machine groups, log groups, and alerts.
No fees are charged for scale-out operations. However, scaled-out resources are billed at standard prices.
For more information about scale-out operations, see Manage resource quotas.
Basic resource quotas
Quota | Description | Default value | Adjustable upper limit |
Project quota | The maximum number of projects that can be created under a single Alibaba Cloud account is 150. | 150 | |
Logstore quota | The maximum number of Logstores that can be created in a project. | 200 | 400 |
Shard quota | The maximum number of shards that can be created in a project. | 400 | 800 |
Logtail configuration quota | The maximum number of Logtail configurations that can be created in a project. | 200 | 400 |
Machine group quota | The maximum number of machine groups that can be created in a project. | 200 | 400 |
Dashboard quota | The maximum number of dashboards that can be created in a project. | 100 | 400 |
Chart quota per dashboard | The maximum number of charts that a dashboard can contain. | 200 | 400 |
Saved search quota | The maximum number of saved searches that can be created in a project. | 100 | 400 |
Export task quota | The maximum number of export tasks that can be created in a project. | 100 | 400 |
Import task quota | The maximum number of import tasks that can be created in a project. | 100 | 400 |
Scheduled SQL task quota | The maximum number of scheduled SQL tasks that can be created in a project. | 100 | 400 |
Data transformation task quota | The maximum number of data transformation tasks that can be created in a project. | 100 | 400 |
Alert limits | The maximum number of alerts that can be created in a project. | 100 | 400 |
Tracking task quota | The maximum number of tracking tasks that can be created in a project. | 100 | 400 |
Project write traffic quota (GB/min) | The total write traffic of all Logstores in a project within one minute. | 100 | 200 |
Project write requests quota (10,000 requests/min) | The total number of write requests for all Logstores in a project within one minute. | 60 | 200 |
Project read requests quota (10,000 requests/min) | The total number of read requests for all Logstores in a project within one minute. | 60 | 200 |
Data read and write limits
Category | Limit | Description | Remarks |
Write traffic | The maximum write traffic for raw data is 100 GB/min. | If the limit is exceeded, the system returns status code 403 with the message "Inflow Quota Exceed". | |
Write requests | The maximum number of write requests is 600,000/min. | If the limit is exceeded, the system returns status code 403 with the message "Write QPS Exceed". | |
Read requests | The maximum number of read requests is 600,000/min. | If the limit is exceeded, the system returns status code 403 with the message "Read QPS Exceed". | |
Write traffic | Each shard supports data writes of 5 MB/s or 500 requests/s, and data reads of 10 MB/s or 100 requests/s. | This is not a hard limit. If the limit is exceeded, the system provides the service on a best-effort basis. | |
Write requests | The maximum number of write requests is 500/s. | This is not a hard limit. If the limit is exceeded, the system provides the service on a best-effort basis. | |
Read traffic | The maximum read traffic is 20 MB/s. | This is not a hard limit. If the limit is exceeded, the system provides the service on a best-effort basis. | |
Read requests | The maximum number of read requests is 100/s. | This is not a hard limit. If the limit is exceeded, the system provides the service on a best-effort basis. |